CN115486750B - Blocking pipe detection mechanism and dust collection mechanism - Google Patents
Blocking pipe detection mechanism and dust collection mechanism Download PDFInfo
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- CN115486750B CN115486750B CN202211007365.8A CN202211007365A CN115486750B CN 115486750 B CN115486750 B CN 115486750B CN 202211007365 A CN202211007365 A CN 202211007365A CN 115486750 B CN115486750 B CN 115486750B
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- 239000000428 dust Substances 0.000 title claims abstract description 161
- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 230000000903 blocking effect Effects 0.000 title claims description 21
- 230000001960 triggered effect Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 238000005381 potential energy Methods 0.000 claims description 3
- 230000009347 mechanical transmission Effects 0.000 abstract description 3
- 238000010408 sweeping Methods 0.000 description 9
- 239000012634 fragment Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 241001417527 Pempheridae Species 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/24—Floor-sweeping machines, motor-driven
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4002—Installations of electric equipment
- A47L11/4008—Arrangements of switches, indicators or the like
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4011—Regulation of the cleaning machine by electric means; Control systems and remote control systems therefor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4091—Storing or parking devices, arrangements therefor; Means allowing transport of the machine when it is not being used
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4094—Accessories to be used in combination with conventional vacuum-cleaning devices
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a pipe blockage detection mechanism and a dust collection mechanism, which comprise a trigger assembly connected with a dust collection cavity and are used for detecting whether a pipe blockage exists in the dust collection cavity; in the pipe blockage detection mechanism, when a pipe blockage occurs in the dust collection cavity, air flow in the dust collection cavity is not circulated, so that the dust collection cavity is in a negative pressure state, a connected trigger assembly can be subjected to a negative pressure factor to enable a piston part in the shell to move towards one side of the dust collection cavity, the movement of the piston part can drive an elastic sheet to contact with an elastic needle, when the elastic sheet contacts with the elastic needle, the circuit conduction of the elastic needle is realized, a pipe blockage signal is triggered, and therefore a user is reminded to clean the pipe blockage is realized, and the cost is reduced by detecting the pipe blockage through the mechanical transmission of the piston part, the elastic needle and the elastic sheet which are simple in the trigger assembly, so that the problem of high cost of detecting the pipe blockage by adopting an air pressure sensor in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of dust collection base stations, in particular to a pipe blocking detection mechanism and a dust collection mechanism.
Background
With the development of society, people have increasingly high requirements on environmental sanitation, and the sweeper is widely applied as an important floor cleaning device. With the development of the sweeper industry, a sweeper matched with a base station with a dust collection function becomes the main stream of the industry. Because of different garbage forms, the garbage blocks the dust collecting base station pipeline during dust collection, and the state is required to be identified at the moment, so that a user is reminded to clean the dust collecting base station pipeline so as not to influence the dust collecting function. The existing air pressure sensor is generally used for detecting the pipe blockage, but the implementation cost is high.
There is currently no good solution. Accordingly, there are drawbacks to the prior art that require improvement.
Disclosure of Invention
The invention mainly aims to provide a pipe blockage detection mechanism and a dust collection mechanism, and aims to solve the problem that the cost for detecting pipe blockage by adopting an air pressure sensor in the prior art is high.
In order to achieve the above object, the technical scheme of the present invention is as follows: the pipe blockage detection mechanism is used for a dust collection cavity and comprises a trigger component connected with the dust collection cavity, wherein the trigger component is used for detecting whether a pipe blockage exists in the dust collection cavity;
the triggering assembly comprises a shell communicated with the dust collection cavity, a piston piece, a spring needle and a spring piece, wherein the piston piece, the spring needle and the spring piece are arranged in the shell in a sliding manner, one of the spring needle and the spring piece is arranged in the shell and close to one side of the dust collection cavity and is used for being electrically connected with the end of the dust collection cavity, and the other of the spring needle and the spring piece is arranged on the piston piece;
when the dust collection cavity blocks the pipe, negative pressure is formed in the dust collection cavity, so that a piston piece in the shell moves towards the dust collection cavity, the spring needle is contacted and conducted with the elastic sheet, and a pipe blocking signal is triggered.
By adopting the technical scheme, the pipe blockage detection mechanism further comprises a reset piece, wherein the reset piece is arranged between the piston piece and the inner wall of the shell, and after the piston piece moves towards the dust collection cavity, the reset piece has elastic potential energy for resetting the piston piece.
By adopting the technical schemes, in the pipe blockage detection mechanism, a first through groove is formed in one side of the shell, which is close to the dust collection cavity, and a cylinder extends into the shell from the first through groove, and one side of the reset piece is sleeved on the cylinder.
By adopting the technical schemes, in the pipe blockage detection mechanism, a sealing piece is arranged on one side of the shell, which is close to the dust collection cavity, and is used for enhancing the tightness of the shell and the dust collection cavity.
By adopting the technical schemes, in the pipe blocking detection mechanism, the dust collection cavity is provided with the second through groove, the second through groove is communicated with the first through groove, and the second through groove is internally provided with the sponge for blocking dust.
By adopting the technical schemes, in the pipe blockage detection mechanism, the piston member comprises a mounting part and an abutting part sleeved on the edge end of the mounting part to enhance the sealing performance, and the mounting part and the abutting part are integrally formed.
By adopting the technical schemes, in the pipe blockage detection mechanism, a limit groove is formed in one side of the installation part, which is close to the dust collection cavity, and one side of the resetting piece, which is close to the piston piece, is arranged in the limit groove.
By adopting the technical schemes, the pipe blockage detection mechanism is characterized in that one part of the elastic sheet is embedded in the installation part and is fixed through bolts, and the other part of the elastic sheet is provided with a radian protruding block.
By adopting the technical schemes, the pipe blocking detection mechanism is characterized in that a mounting hole is formed in the shell corresponding to the radian protruding block, and the spring needle is arranged in the mounting hole.
A dust collection mechanism comprises the pipe blockage detection mechanism.
By adopting the technical schemes, the pipe blockage detection mechanism comprises a reminding module, wherein the reminding module is electrically connected with the bullet needle;
when the dust collection cavity blocks the pipe, negative pressure is formed in the dust collection cavity, so that a piston piece in the shell moves towards the direction of the dust collection cavity to drive the elastic sheet to be in contact with the elastic needle for conduction, a pipe blocking signal is triggered, and the reminding module detects the conduction of the elastic needle and sends out a reminding signal.
The invention has the beneficial effects that: in the pipe blockage detection mechanism provided by the embodiment of the invention, when a pipe blockage occurs in the dust collection cavity, air flow in the dust collection cavity is not circulated, so that the dust collection cavity is in a negative pressure state, a connected trigger assembly is subjected to a negative pressure factor to enable a piston part in the shell to move towards one side of the dust collection cavity, the movement of the piston part drives an elastic sheet to contact with the elastic needle, when the elastic sheet contacts with the elastic needle, the circuit conduction of the elastic needle is realized, a signal of pipe blockage is triggered, thereby prompting a user to clean the pipe blockage is realized, the cost is reduced, and the problem of high cost of detecting the pipe blockage by adopting an air pressure sensor in the prior art is solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an exploded view of the dust collection chamber and trigger assembly of the present invention;
FIG. 3 is an exploded view of the trigger assembly of the present invention;
FIG. 4 is a schematic view of a housing structure according to the present invention;
FIG. 5 is a schematic view of a spring plate according to the present invention;
FIG. 6 is a schematic cross-sectional view of a cylinder according to the present invention;
1, a dust collection cavity; 2. a trigger assembly; 3. a housing; 4. a piston member; 40. a mounting part; 41. an abutting portion; 400. a limit groove; 100. a dust cover; 5. a spring needle; 10. a first through groove; 11. a column; 12. a seal; 13. a second through slot; 6. a spring plate; 7. a reset member; 60. a radian protruding block; 30. a mounting hole; 31. screw holes.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the connection may be mechanical connection, direct connection or indirect connection through an intermediate medium, and may be internal connection of two elements or interaction relationship of two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1, 2 and 3, the embodiment of the present application provides a pipe blockage detection mechanism, which is used for a dust collection cavity 1, and comprises a trigger component 2 connected with the dust collection cavity 1, wherein the trigger component 2 is used for detecting whether a pipe blockage exists in the dust collection cavity 1;
the triggering assembly 2 comprises a shell 3 communicated with the dust collection cavity 1, a piston member 4 arranged in the shell 3 in a sliding manner, a spring needle 5 and a spring sheet 6, wherein one of the spring needle 5 and the spring sheet 6 is arranged in the shell 3 and close to one side of the dust collection cavity 1 and is used for being electrically connected with the end of the dust collection cavity 1, and the other of the spring needle 5 and the spring sheet 6 is arranged on the piston member 4;
when the dust collection cavity 1 blocks the pipe, negative pressure is formed in the dust collection cavity 1, so that the piston piece 4 in the shell 3 moves towards the direction of the dust collection cavity 1, and the spring needle 5 is in contact conduction with the spring sheet 6 to trigger a pipe blocking signal.
In this embodiment, the dust collecting cavity 1 is configured to collect dust integrated with sweeping of the sweeping robot, and when the dust collecting cavity 1 collects dust, a pipeline in the dust collecting cavity 1 is easily blocked due to the influence of the time of use and more dust, so that the dust collecting cavity 1 needs to be detected; the trigger component 2 is arranged, so that whether the dust collection cavity 1 is blocked or not can be detected, when the dust collection cavity 1 is blocked, negative pressure is generated in the dust collection cavity 1, so that the piston component 4 in the trigger component 2 moves to one side of the dust collection cavity 1, the movement of the piston component 4 can enable the spring needle 5 and the spring sheet 6 to be contacted, a signal of pipe blockage is triggered, and therefore a user can clean the dust collection cavity 1; the bullet needle 5 and the setting of shell fragment 6, bullet needle 5 and shell fragment 6 adopt the material that metal can switch on, through passing through circuit connection with two pins of bullet needle 5, when bullet needle 5 and shell fragment 6 contact, the both ends of bullet needle 5 will realize the circuit and switch on, the signal of sign stifled pipe to remind the user that dust collection cavity 1 appears stifled pipe, need clean repair.
Specifically, when the pipe blockage occurs in the dust collecting cavity 1, the air flow in the dust collecting cavity 1 is not circulated, so that the dust collecting cavity 1 is in a negative pressure state, the connected trigger assembly 2 is subjected to negative pressure to enable the piston member 4 in the shell 3 to move towards one side of the dust collecting cavity 1, the movement of the piston member 4 drives the elastic sheet 6 to contact with the elastic needle 5, and when the elastic sheet 6 contacts with the elastic needle 5, the circuit conduction of the elastic needle 5 is realized, the signal of the pipe blockage is triggered, thereby prompting a user to clean, detecting the pipe blockage by adopting the mechanical transmission of the simple piston member 4, the elastic needle 5 and the elastic sheet 6 of the trigger assembly 2, and realizing the cost reduction, so as to solve the problem of high cost of detecting the pipe blockage by adopting the air pressure sensor in the prior art.
As shown in fig. 3, the dust collecting device further comprises a reset piece 7, wherein the reset piece 7 is arranged between the piston piece 4 and the inner wall of the shell 3, and after the piston piece 4 moves towards the dust collecting cavity 1, the reset piece 7 has elastic potential energy for resetting the piston piece 4. In this embodiment, setting of reset piece 7 can drive piston piece 4 and reset and remove, and wherein reset piece 7 can adopt reset spring, when the stifled pipe of dust collection cavity 1, forms negative pressure in the dust collection cavity 1, makes piston piece 4 in the casing 3 to dust collection cavity 1 direction remove, and setting up piston piece 4 with reset piece 7 between the casing 3 receives the extrusion, after the stifled pipe mediation of dust collection cavity 1, the normal circulation of air current in the dust collection cavity 1, setting up piston piece 4 with reset piece 7 between the casing 3 will drive piston piece 4 and reset to in order to prevent to appear bullet needle 5 and shell fragment 6's mistake touch and lead to detecting inaccurately after the stifled pipe mediation of dust collection cavity 1.
As shown in fig. 3 and 6, a first through groove 10 is further provided on one side of the housing 3 near the dust collecting cavity 1, a column 11 extends into the housing 3 from the first through groove 10, and one side of the reset member 7 is sleeved on the column 11. In this embodiment, the first through groove 10 is disposed, and the first through groove 10 is communicated with the dust collecting cavity 1, so as to facilitate detecting whether a pipe blockage occurs in the dust collecting cavity 1, and the cylinder 11 extending toward the inner side of the housing 3 along the first through groove 10 can be connected to one side of the reset member 7 and fixed, so that the reset member 7 is prevented from shifting to affect the normal detection of the trigger assembly 2.
As shown in fig. 3, a sealing member 12 is further provided on the side of the housing 3 close to the dust collecting cavity 1, for enhancing the sealing between the housing 3 and the dust collecting cavity 1. In this embodiment, by providing the sealing member 12 between the housing 3 and the dust collecting cavity 1, the tightness between the trigger assembly 2 and the dust collecting cavity 1 can be enhanced, so as to ensure the accuracy of detecting the air pressure in the dust collecting cavity 1 by the trigger assembly 2.
As shown in fig. 2, the dust collecting cavity 1 is further provided with a second through groove 13, the second through groove 13 is communicated with the first through groove 10, and a sponge (not shown) for blocking dust is disposed in the second through groove 13. In this embodiment, the setting of second through groove 13, accessible second through groove 13 communicates with the first through groove 10 in the trigger assembly 2 to be convenient for trigger assembly 2 detects the atmospheric pressure in the dust collection cavity 1 and appears blocking up the pipe, sets up the sponge in second through groove 13, reducible dust in the dust collection cavity 1 gets into in the trigger assembly 2 and influences life.
As shown in fig. 3, the piston member 4 further includes a mounting portion 40 and an abutment portion 41 that is fitted over the edge end of the mounting portion 40 to enhance the sealing property, and the mounting portion 40 and the abutment portion 41 are integrally formed. In this embodiment, when the dust collecting cavity 1 is blocked, negative pressure will occur in the dust collecting cavity 1, so that the piston 4 in the trigger assembly 2 moves to one side of the dust collecting cavity 1, and the movement of the piston 4 will make the spring pin 5 and the spring plate 6 contact, and trigger the signal of the blocking pipe, so that the user can clean the dust collecting cavity 1, wherein the installation portion 40 can fix the position of the abutting portion 41, the installation portion 40 can be made of a harder plastic material and is connected with the abutting portion 41, the abutting portion 41 can be made of a soft rubber material, the service life of the piston 4 can be improved by integrally forming the abutting portion 41 and the installation portion 40, the edge of the abutting portion 41 abuts against the inner wall of the housing 3, so that the housing 3 and the piston 4 are sealed, when the dust collecting cavity 1 is blocked, the negative pressure will occur in the dust collecting cavity 1, so that the piston 4 in the trigger assembly 2 moves to one side of the dust collecting cavity 1, and the abutting portion 41 moves to one side of the dust collecting cavity 1 along the inner wall of the housing 3.
As shown in fig. 3, further, a limit groove 400 is provided on a side of the mounting portion 40 close to the dust collecting cavity 1, and a side of the resetting member 7 close to the piston member is provided in the limit groove 400. In this embodiment, the setting of the limiting groove 400 may be used to fix and limit the other side of the reset element 7, so as to prevent the reset element 7 from shifting when driving the piston element 4 to move and reset, so that the piston element 4 has a position deviation when resetting, and the contact between the latch 5 and the spring 6 is affected next time.
As shown in fig. 5, the spring plate 6 has a double-layer structure, a portion of the spring plate 6 is embedded in the mounting portion 40 and is fixed by a bolt, and another portion of the spring plate 6 is provided with a radian protruding block 60. In this embodiment, the elastic sheet 6 adopts a double-layer structure, the first part is embedded in the mounting portion 40 for fixing, thereby preventing the elastic sheet 6 from shifting and affecting the position inaccurately when contacting with the elastic needle 5, the radian protruding block 60 arranged on the other side of the elastic sheet 6 can facilitate the negative pressure in the dust collecting cavity 1 when the dust collecting cavity 1 is blocked, so that the piston member 4 in the triggering assembly 2 moves to one side of the dust collecting cavity 1, the movement of the piston member 4 drives the elastic sheet 6 on the mounting portion 40 to move to one side of the dust collecting cavity 1, the elastic sheet 6 on the mounting portion 40 is enabled to be accurately contacted with the elastic needle 5, when the elastic sheet 6 is accurately contacted with the elastic needle 5, the electric circuit is conducted, thereby triggering the signal of the blocking tube in the dust collecting cavity 1, and the elastic sheet 6 adopts the double-layer structure to enable the elastic sheet 6 to have elasticity, so that the radian protruding block 60 of the elastic sheet 6 can stretch and retract after being pressed, and the elastic sheet 6 can reset due to the double-layer structure after the radian protruding block 60 is pressed.
As shown in fig. 4, further, a mounting hole 30 is provided in the housing 3 corresponding to the arc protruding block 60, and the latch 5 is provided in the mounting hole 30. In this embodiment, the setting of mounting hole 30 can be used to fixed bullet needle 5, prevents that bullet needle 5 from appearing dropping and influencing bullet needle 5's detection to the position setting of mounting hole 30 is in casing 3, and the position of mounting hole 30 sets up the position top at the protruding piece 60 of radian of shell fragment 6 relatively, so that piston 4 drives shell fragment 6 and moves and contact with bullet needle 5 and switch on.
As shown in fig. 4, further, an outward extending screw hole 31 is provided at an outer end portion of the housing 3, and the screw hole 31 is fixed to the dust collecting chamber 1 by a bolt. In this embodiment, the outside end portion of the casing 3 is provided with the outwardly extending screw hole 31, and the casing 3 can be fixed on the dust collecting cavity 1 through the bolt, and the tightness between the triggering component 2 and the dust collecting cavity 1 can be enhanced by matching with the sealing member 12, so as to ensure the accuracy of detecting the air pressure in the dust collecting cavity 1 by the triggering component 2.
As shown in fig. 1, further, the dust collecting chamber 1 is hinged with a dust cover 100. In this embodiment, when the dust collecting cavity 1 is blocked, negative pressure will occur in the dust collecting cavity 1, so that the piston member 4 in the trigger assembly 2 moves to one side of the dust collecting cavity 1, and the movement of the piston member 4 will make the spring pin 5 and the spring plate 6 contact, and trigger the signal of the blocking pipe, so that the user can clean the dust collecting cavity 1, and the dust collecting cavity 1 is hinged with the dust cover 100, so that the user can clean and care the place of the blocking pipe in the dust collecting cavity 1 according to the opening of the dust cover 100, and the dust collecting cavity 1 can collect dust from a new place by closing the dust cover 100 after cleaning.
Embodiments of the present application also include a dust collection mechanism, where the dust collection mechanism may include a dust collection base station or a sweeping robot. In this embodiment, when a pipe blockage occurs in the dust collecting cavity 1, the air flow in the dust collecting cavity 1 will be non-circulating, so that the dust collecting cavity 1 is in a negative pressure state, the connected trigger assembly 2 will be subjected to a negative pressure factor to make the piston member 4 in the housing 3 move towards one side of the dust collecting cavity 1, the movement of the piston member 4 will drive the elastic sheet 6 to contact with the elastic needle 5, when the elastic sheet 6 contacts with the elastic needle 5, the circuit conduction of the elastic needle 5 is realized, the elastic needle 5 can be connected with the sweeping robot, and a controller can be arranged in the sweeping robot and connected with the elastic needle 5 through the controller, when the circuit conduction of the elastic needle 5 is transmitted to the controller, the controller receives the signal of the elastic needle 5, the sweeping robot is controlled to stop the dust collection and sweeping work, so that the service life of the dust collecting cavity 1 is prolonged.
As shown in fig. 3, the device further comprises a reminding module, wherein the reminding module is electrically connected with the bullet needle 5;
when the dust collection cavity 1 blocks the pipe, negative pressure is formed in the dust collection cavity 1, so that the piston piece 4 in the shell 3 moves towards the direction of the dust collection cavity 1 to drive the elastic sheet 6 to be in contact with the elastic needle 5 for conduction, a pipe blocking signal is triggered, and the reminding module detects that the elastic needle 5 is conducted and sends out a reminding signal.
In this embodiment, remind the setting of module, when the stifled pipe appears in the dust collection cavity 1, the air current in the dust collection cavity 1 will appear not circulate, thereby make the dust collection cavity 1 in the state of negative pressure, the trigger component 2 of connection will receive the factor of negative pressure and make the piston 4 in the casing 3 remove to the direction of dust collection cavity 1 one side, and the removal of piston 4 will drive shell fragment 6 and bullet needle 5 and contact, when shell fragment 6 and bullet needle 5 contact, realize the circuit conduction of bullet needle 5, bullet needle 5 accessible is connected with the robot of sweeping the floor, through can setting up in the robot of sweeping the floor and remind the module and bullet needle 5 through electric connection, can be with the signal transmission that switches on to remind the module when the circuit conduction of bullet needle 5, make remind the module to send out the warning that the stifled pipe appears in the dust collection cavity 1, so as to remind the user to clean nursing to dust collection cavity 1.
By adopting the technical schemes, in the pipe blockage detection mechanism, when a pipe blockage occurs in the dust collection cavity 1, air flow in the dust collection cavity 1 is not circulated, so that the dust collection cavity 1 is in a negative pressure state, a connected trigger assembly 2 is subjected to the negative pressure, a piston part 4 in a shell 3 is enabled to move towards one side of the dust collection cavity 1, the movement of the piston part 4 drives an elastic sheet 6 to be contacted with an elastic needle 5, when the elastic sheet 6 is contacted with the elastic needle 5, the circuit conduction of the elastic needle 5 is realized, the signal of pipe blockage is triggered, thereby prompting a user to clean, and the pipe blockage is detected by adopting the simple mechanical transmission of the piston part 4, the elastic needle 5 and the elastic sheet 6 of the trigger assembly 2, so that the cost is reduced, and the problem of high cost of detecting the pipe blockage by adopting an air pressure sensor in the prior art is solved.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the scope of the invention, it being noted that the term "comprising," "including," or any other variation thereof, herein is intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method that comprises a list of elements does not include only those elements but also other elements not expressly listed or inherent to such process, apparatus, article, or method. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, apparatus, article or method that comprises the element.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the invention.
Claims (9)
1. The pipe blockage detection mechanism is used for a dust collection cavity and is characterized by comprising a trigger component connected with the dust collection cavity, wherein the trigger component is used for detecting whether a pipe blockage exists in the dust collection cavity;
the triggering assembly comprises a shell communicated with the dust collection cavity, a piston piece, a spring needle and a spring piece, wherein the piston piece, the spring needle and the spring piece are arranged in the shell in a sliding manner, one of the spring needle and the spring piece is arranged in the shell and close to one side of the dust collection cavity and is used for being electrically connected with the end of the dust collection cavity, and the other of the spring needle and the spring piece is arranged on the piston piece;
the piston piece comprises a mounting part, the elastic piece is of a double-layer structure, one part of the elastic piece is embedded in the mounting part and is fixed through a bolt, and the other part of the elastic piece is provided with a radian protruding block; when the dust collection cavity blocks the pipe, negative pressure is formed in the dust collection cavity, so that a piston piece in the shell moves towards the dust collection cavity, the spring needle is contacted and conducted with the elastic sheet, and a pipe blocking signal is triggered.
2. The pipe plugging detection mechanism according to claim 1, further comprising a return member disposed between the piston member and the inner wall of the housing, the return member having elastic potential energy for returning the piston member after the piston member moves in the direction of the dust collection chamber.
3. The pipe blocking detection mechanism according to claim 2, wherein a first through groove is formed in one side of the housing, which is close to the dust collecting cavity, and a cylinder extends into the housing, and one side of the reset piece is sleeved on the cylinder.
4. The pipe blockage detection mechanism of claim 1, wherein a seal is provided on a side of the housing adjacent the dust collection cavity for enhancing the tightness of the housing and the dust collection cavity.
5. The pipe blocking detection mechanism according to claim 3, wherein the dust collection cavity is provided with a second through groove, the second through groove is communicated with the first through groove, and a sponge for blocking dust is arranged in the second through groove.
6. The pipe plugging detection mechanism according to claim 2, wherein the piston member further comprises an abutting portion sleeved on the edge end of the mounting portion to enhance sealing performance, and the mounting portion and the abutting portion are integrally formed.
7. The pipe blocking detection mechanism according to claim 6, wherein a limit groove is formed in one side of the installation portion, which is close to the dust collection cavity, and one side of the reset piece, which is close to the piston piece, is arranged in the limit groove.
8. The pipe blockage detection mechanism as claimed in claim 1, wherein a mounting hole is formed in the housing corresponding to the radian protruding block, and the spring needle is arranged in the mounting hole.
9. A dust collection mechanism comprising the pipe blockage detection mechanism as claimed in any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211007365.8A CN115486750B (en) | 2022-08-22 | 2022-08-22 | Blocking pipe detection mechanism and dust collection mechanism |
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| CN202211007365.8A CN115486750B (en) | 2022-08-22 | 2022-08-22 | Blocking pipe detection mechanism and dust collection mechanism |
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| CN115486750A CN115486750A (en) | 2022-12-20 |
| CN115486750B true CN115486750B (en) | 2024-01-16 |
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| CN115486750A (en) | 2022-12-20 |
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